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alternator bracket

Forum: C3 Engines, Driveline and Handling

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alternator bracket

Posted: 4/1/08 4:33amMessage 1 of 8
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hmel '74
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York, SC - USA
Joined: 9/4/2005
Posts: 534
Vette(s): 1974 mille miglia red with oxblood interior 355ci, 320hp
Hi guys.
i'm getting ready to install my new motor and i have a question.
i'm planning on removing my exhaust manifolds and putting on shorty blockhugger headers.

my question is:
can i still use my original alternator bracket with the headers or do i need to get one of those chrome aftermarket brackets that i've seen at auto parts stores that are "made for headers"?
any thoughts?

thanks,
jeff

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alternator bracket

Posted: 4/1/08 5:00amMessage 2 of 8
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Adams' Apple
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Duncanville, TX - USA
Joined: 11/8/2003
Posts: 22720
Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas
You should be able to use your bracket, possibly with some spacers. This is how they do it with the A/C brackets, when changing to headers.
Does your Alt. bracket actually bolt to the exhaust manifold? I'm drawing a blank...it's early in da mornin yet...

Joel Adams
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alternator bracket

Posted: 4/1/08 5:09amMessage 3 of 8
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hmel '74
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York, SC - USA
Joined: 9/4/2005
Posts: 534
Vette(s): 1974 mille miglia red with oxblood interior 355ci, 320hp
no it does not attach to the manifold. it only attaches to the head in 2 places.

that's what leads me to believe that it would work with no problems.
i'm just wondering now why they make those chrome aftermarket brackets for header use then.
Hmel '742008-04-01 05:10:12

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alternator bracket

Posted: 4/1/08 5:18amMessage 4 of 8
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Adams' Apple
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Duncanville, TX - USA
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Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas
Prolly just extra support, but mostly for other applications that do bolt to the manifold. What you have will prolly be just fine the way it is...unless you just want some bling-bling under there!

Joel Adams
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alternator bracket

Posted: 4/1/08 6:43amMessage 5 of 8
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my7t1
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Dorr, MI - USA
Joined: 8/21/2002
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Vette(s): 71 Colonnade Hardtop Coupe Torch Red with black interior originally L48 built to push around 360hp
I have headers on my 71 SB. It has the original bracket with no spacers.Lower bracket 2 bolts in the head. Upper adjustment bracket, 1 bolt goes into waterpump. my7T12008-04-01 07:16:48

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alternator bracket

Posted: 4/1/08 7:03amMessage 6 of 8
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SilverStreak
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Oceanside, CA - USA
Joined: 11/19/2003
Posts: 191
Vette(s): 1978 Silver Anniversary model. Original L82 engine, 700r4 trans, edelbrock intake, thorly headers, rack&pinion steering, mono rear and front spring, MSD 6A box
I put headers on my 78 and the original bracket fits just fine.  I have a feeling that the reason they make the chrome bracket for headers is only to get your money.

Eddie

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alternator bracket

Posted: 4/1/08 10:01amMessage 7 of 8
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Adams' Apple
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[QUOTE=SilverStreak]I have a feeling that the reason they make the chrome bracket for headers is only to get your money.[/QUOTE]

The HECK you say!!

Joel Adams
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alternator bracket

Posted: 4/1/08 10:21amMessage 8 of 8
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79rebuild
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Yelm, WA - USA
Joined: 7/12/2007
Posts: 356
Vette(s): 1979 L82 4 speed Scat 383 crank 190 cc Procomp Aluminum Heads 202 160 stainless valves GM Powder metal rods Speedpro H860CP Hypereutectic pistons 280 cam hydralic HEI Pro comp 1.6 roller rockers Mighty Demon 750 Sanderson CC1AP Hedders.

I used my old brackets on a new motor and alum heads, the one issues I had was the mount holes on the front of the heads were a little off so my 100 amp Alt rides lower than stock. It works, but it's in the way of the power steering pump res cap and I don't like the amount of travel I have to adjust it. I had to get a little creative with the AC brackets but I made it work. I would say give it a shot, if they don't fit you can always buy aftermarket. 

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